What is the value of x?

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Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

In the diagram below, abc is congruent to dec what is the value of x

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)